Added check for Cinder services

After cluster nodes restart, volumes creation are failed
for several minutes because cinder services are down
due to rabbitmq is not ready yet. We need wait until
cinder-scheduler and cinder-volumes are up on controllers
before doing OSTF tests.

Change-Id: Ie9c35368e0f5e399ee2fe69c7132a4232fe40690
Closes-Bug: #1363994
Merge "Added check for Cinder services" into stable/5.1